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Related papers: Measuring the Higgs Sector

200 papers

Run I of the LHC has not revealed any sign of new physics beyond the Standard Model (BSM). However, the discovery of an SM-like Higgs boson with mass around 125 GeV opens up new possibilities for probing various BSM scenarios with enlarged…

High Energy Physics - Phenomenology · Physics 2014-07-03 Beranger Dumont

We construct a minimal calculable model of a light dilaton based on the scenario where only top and Higgs sectors are involved in a quasiconformal dynamics. The model consistently accommodates the electroweak precision tests even when the…

High Energy Physics - Phenomenology · Physics 2013-05-29 Tomohiro Abe , Ryuichiro Kitano , Yasufumi Konishi , Kin-ya Oda , Joe Sato , Shohei Sugiyama

In this work we consider the Linear BESS model at the LHC. This model can be seen as an adequate benchmark for exploring the phenomenological consequences of a composite Higgs sector since its particle content is the one we would expect in…

High Energy Physics - Phenomenology · Physics 2018-09-26 Jose Urbina , Alfonso R. Zerwekh

In type II seesaw utilized to explain the observed neutrino masses and mixings, one extends the Standard Model (SM) by introducing scalar fields which transform as a triplet under the electroweak gauge symmetry. New scalar couplings…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ilia Gogoladze , Nobuchika Okada , Qaisar Shafi

In this note we propose an overview on the current theoretical and experimental limits on a Higgs singlet extension of the Standard Model. We assume that the Boson which has recently been measured by the LHC experiments is the lightest…

High Energy Physics - Phenomenology · Physics 2014-02-25 Giovanni Marco Pruna , Tania Robens

The prediction of additional Higgs bosons is one of the key features of physics beyond the Standard Model (SM) that gives rise to an extended Higgs sector. We assess the sensitivity of the Large Hadron Collider (LHC) in the high luminosity…

High Energy Physics - Phenomenology · Physics 2020-10-28 H. Bahl , P. Bechtle , S. Heinemeyer , S. Liebler , T. Stefaniak , G. Weiglein

The lighter neutral scalar Higgs mass is examined in gauge-mediated supersymmetry-breaking models in which the messenger sector responsible for SUSY breaking is allowed to involve more general sets of $SU(3) \otimes SU(2) \otimes U(1)$…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. A. Kaeding , S. Nandi

In 2012, the discovery of a particle compatible with a Higgs boson of a mass of roughly 125 GeV was announced. This great success is now being followed by the identification of the nature of this particle and the particle's properties are…

High Energy Physics - Phenomenology · Physics 2014-07-02 Thomas Hahn , Sven Heinemeyer , Wolfgang Hollik , Heidi Rzehak , Georg Weiglein

In the next-to minimal supersymmetric standard model (NMSSM) one additional singlet-like Higgs boson with small couplings to standard model (SM) particles is introduced. Although the mass can be well below the discovered 125 GeV Higgs boson…

High Energy Physics - Phenomenology · Physics 2018-05-28 C. Beskidt , W. de Boer , D. I. Kazakov

The study of the Higgs boson properties offers compelling perspectives for testing the effects of physics beyond the Standard Model and has deep implications for the LHC program and future colliders. Accurate determinations of the Higgs…

High Energy Physics - Phenomenology · Physics 2022-09-08 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , M. Muhlleitner , M. Spira

We present some highlights on the complementaries of the Higgs and SUSY searches at the LHC, using the 8 and 13 TeV results. In particular, we discuss the constraints that can be obtained on the MSSM parameters by the determination of the…

High Energy Physics - Phenomenology · Physics 2018-12-03 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , M. Muehlleitner , G. Robbins , M. Spira

The observation of a new particle in the search for the Standard Model (SM) Higgs boson at the LHC, reported by the ATLAS and CMS collaborations, is a milestone in the quest to understand electroweak symmetry breaking. The evidence at the…

High Energy Physics - Experiment · Physics 2014-07-29 Carlos A. Solans Sánchez

In this communication, the mass declined for the decay channel, e+e- -> ZH -> e+e- + X, as measured by the ILD detector was studied. The Higgs mass is assumed to be 120 GeV and the center of mass energy is 250 GeV. For an integrated…

High Energy Physics - Experiment · Physics 2010-06-08 D. Benchekroun , J-Y. Hostachy , Y. Khoulaki , L. Morin

We study the Higgs sector in the Next-to-Minimal Supersymmetric Standard Model with and without explicit CP violation, focusing on the case of weak scale expectation value of the singlet field. We scan a wide range of the parameter space to…

High Energy Physics - Phenomenology · Physics 2009-11-10 Koichi Funakubo , Shuichiro Tao

The measured properties of the recently discovered Higgs boson are in good agreement with predictions from the Standard Model. However, small deviations in the Higgs couplings may manifest themselves once the currently large uncertainties…

High Energy Physics - Phenomenology · Physics 2014-09-10 C. Englert , A. Freitas , M. Muhlleitner , T. Plehn , M. Rauch , M. Spira , K. Walz

The potential of a linear e+e- collider operated at a centre-of-mass energy of 350 GeV is studied for the measurement of the Higgs boson mass. An integrated luminosity of 500 fb-1 is assumed. For Higgs boson masses of 120, 150 and 180 GeV…

High Energy Physics - Experiment · Physics 2015-06-25 P. Garcia-Abia , W. Lohmann , A. Raspereza

We present a global analysis of the Higgs and electroweak sector based on LHC Run II and electroweak precision observables. We show which measurements provide the leading constraints on Higgs-related operators, and how the achieved LHC…

High Energy Physics - Phenomenology · Physics 2019-06-05 Anke Biekötter , Tyler Corbett , Tilman Plehn

We study how collider data and electroweak precision observables affect the parameter space of models including a new dark force mediated by a massive U(1) gauge boson. It acquires mass via a Higgs mechanism in the dark sector which is…

High Energy Physics - Phenomenology · Physics 2012-05-08 Erich Weihs , Jose Zurita

A measurement of the mass of the Higgs boson in the diphoton decay channel is presented. This analysis is based on 35.9 fb$^{-1}$ of proton-proton collision data collected during the 2016 LHC running period, with the CMS detector at a…

High Energy Physics - Experiment · Physics 2020-04-22 CMS Collaboration

Extended Higgs sectors appear in many models for physics beyond the Standard Model. Current Higgs measurements at the LHC are starting to significantly constrain them. We study their Higgs coupling patterns at tree level as well as…

High Energy Physics - Phenomenology · Physics 2015-06-16 David Lopez-Val , Tilman Plehn , Michael Rauch